Question

A circular loop, of radius 15 cm and negligible resistance, is sitting in a perpendicular magnetic...

A circular loop, of radius 15 cm and negligible resistance, is sitting in a perpendicular magnetic field of 0.1 T. If the magnetic field strength changes to a value of 0.5 T in 0.5 s, calculate the induced current in the loop if it is in series with a 20 ohm resistor.

5.7 × 10–2 A

1.2 × 10–2 A

2.8 × 10–3 A

6.0 × 10–4 A

1.1 A

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